CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCVE-2026-3989
High (7.8) in lmsys sglang. EPSS 0.5% chance of exploitation in the next 30 days. Fixed in sglang 0.5.10.
SGLangs `replay_request_dump.py` contains an insecure pickle.load() without validation and proper deserialization. An attacker can take advantage of this by providing a malicious .pkl file, which will execute the attackers code on the device running the script.
Severity
- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)
- CWE
- CWE-502
- Published
- Modified
- Record from
- the NVD, synced
Affected
- lmsys:sglang
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-hvwj-8w5g-28rg | PyPI | sglang | <0.5.10 | 0.5.10 |
| PYSEC-2026-3063 | PyPI | sglang | <0.5.10 | 0.5.10 |